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pdf.js pdf 网页查看,翻页教程

html代码: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>pdf VIEWER</title> <link rel="s...

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JS的FormData对象连接当前form的对象并选择值

对于form来讲,js有个特殊的object值叫FormData, 提交的都是序列化的内容。 如果要用FormData获取当前表格的对象, const form = document.getElementById('myForm'); const formData = new FormData(form); 获取某个input的值: const currentValue = formData.get('inputName'); 连接当前值和新值...

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